请问有做过关于matlab教室人数统计这方面的吗?指导一下吧

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请问有做过关于matlab教室人数统计这方面的吗?指导一下吧
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xixihahaheihei

头发区域面积应该在一定范围内  衣服区域应该很大 所以区域面积在一定范围内看做是人头 否则就去除可以用regionprops内的area去判断  同时加上长短轴 这里贴一个简单例子
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" s; m/ A3 G7 i5 s  {
clc; clear all; close all;
I = imread('c:\\ce.jpg');
I1 = rgb2gray(I);
bw1 = im2bw(I1, graythresh(I1));
, f" U. d- a0 [4 [bw1 = ~bw1;
0 w+ h' W  q; ~" r, J; \' ybw2 = imopen(bw1, strel('disk', 10));
bw2 = bwareaopen(bw2, 500);
bw3 = bwareaopen(bw2, 1000);
0 z1 N2 |& A( J3 U) ~" B1 I1 B8 `bw4 = bw2.*(~bw3);
[L, num] = bwlabel(bw4);
Lrgb = label2rgb(L, 'jet', 'w', 'shuffle');
* W: M$ K- `5 {; b1 G5 v+ }( ifigure;
subplot(3, 2, 1); imshow(I)
' l* v4 o; W  _+ zsubplot(3, 2, 2); imshow(I1)
subplot(3, 2, 3); imshow(bw1)
3 Y4 r% K* M; D# y& _subplot(3, 2, 4); imshow(bw2)
: o6 O  z8 u/ m% P" S' q. Usubplot(3, 2, 5); imshow(bw4)
; q# L+ F( Q1 d2 z; @# V+ M1 `7 msubplot(3, 2, 6); imshow(I)
/ b0 n6 U* s8 o- p2 S- O6 uhold on;
8 D3 B! R0 T/ m% ^$ W( Qhimage = imshow(Lrgb);
set(himage, 'AlphaData', 0.5);
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